Houston drainage grid 'so obsolete it's just unbelievable'
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August 30, 2017
HOUSTON (AP) — Houston's system of bayous and reservoirs was built to drain a tabletop-flat city prone to heavy rains. But its Depression-era design is no match for the stresses brought by explosive development and ever-wetter storms.
Nearly any city would be overwhelmed by the more than 4 feet of rain that Hurricane Harvey has dumped since Friday, but Houston is unique in its regular massive floods and inability to cope with them. This is the third 100-year-or-more type of flood in three years.
Experts blame too many people, too much concrete, insufficient upstream storage, not enough green s...
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